1145617575 has 12 divisors (see below), whose sum is σ = 1894087848. Its totient is φ = 610996000.

The previous prime is 1145617549. The next prime is 1145617601. The reversal of 1145617575 is 5757165411.

It is an interprime number because it is at equal distance from previous prime (1145617549) and next prime (1145617601).

It is not a de Polignac number, because 1145617575 - 2¹³ = 1145609383 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7637376 + ... + 7637525.

It is an arithmetic number, because the mean of its divisors is an integer number (157840654).

Almost surely, 2^1145617575 is an apocalyptic number.

1145617575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145617575 is a deficient number, since it is larger than the sum of its proper divisors (748470273).

1145617575 is a wasteful number, since it uses less digits than its factorization.

1145617575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274914 (or 15274909 counting only the distinct ones).

The product of its digits is 147000, while the sum is 42.

The square root of 1145617575 is about 33846.9729074847. The cubic root of 1145617575 is about 1046.3570124166.

The spelling of 1145617575 in words is "one billion, one hundred forty-five million, six hundred seventeen thousand, five hundred seventy-five".